A novel power combining configuration without using an isolator

A power combining circuit configuration not requiring an isolator is presented. As the configuration enables all orders of intermodulation to be reduced, it promises to contribute significantly to the miniaturization of millimeter-wave communication equipment.

[1]  H. Okazaki,et al.  Wide-band SSB subharmonically pumped mixer MMIC , 1997, 1997 IEEE MTT-S International Microwave Symposium Digest.

[2]  Masahiro Muraguchi,et al.  Reduced-size branch-line and rat-race hybrids for uniplanar MMIC's , 1990 .